@misc{Coello_Francisco_(1820–1898)_Mapa_1876, author={Coello, Francisco (1820–1898)}, copyright={Public Domain}, address={Madrid}, howpublished={online}, year={1876}, publisher={Boletin de la Socieda Geográfica de Madrid}, language={spa}, title={Mapa de la isla de Puerto-Rico}, keywords={chorographic maps, Puerto Rico, 19th century}, }